Finding the Fourth Proportional to 1,525,214.09, 2,104,724.84 and 836,868.80
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Solution
The fourth proportional to 1,525,214.09, 2,104,724.84 and 836,868.80 is: 1,154,840.20
Step by Step Solution
- Step 1: Write the proportion equation
1,525,214.09 : 2,104,724.84 = 836,868.80 : x - Step 2: Convert to fraction form
1,525,214.09/2,104,724.84 = 836,868.80/x - Step 3: Cross multiply
1,525,214.09x = 2,104,724.84 × 836,868.80 - Step 4: Simplify right side
1,525,214.09x = 1,761,378,536,473.02 - Step 5: Solve for x
x = 1,761,378,536,473.02/1,525,214.09 - Step 6: Final answer
x = 1,154,840.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.